Examine source code of Auto-Summarizer

{
  "manifest_version": 2,
  "name": "Auto-Summarizer",
  "version": "1.0",
  "description": "Summarize webpage content with one click.",
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_icon": {
      "48": "icon.png"
    },
    "default_title": "Summarize this page",
    "default_popup": "popup.html"
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "autosummarizer@example.com",
      "strict_min_version": "91.0"
    }
  }
}